<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>内容推荐系统 - 简易版小红书</title>
    <link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>📱</text></svg>">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
            background-color: #f5f5f5;
        }
        
        #app {
            min-height: 100vh;
        }
        
        .loading {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            font-size: 18px;
            color: #666;
        }
        
        .loading::after {
            content: '';
            width: 20px;
            height: 20px;
            border: 2px solid #f3f3f3;
            border-top: 2px solid #409eff;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-left: 10px;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
    </style>
</head>
<body>
    <div id="app">
        <div class="loading">正在加载中...</div>
    </div>
</body>
</html> 